Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6119613 | Method and apparatus for preventing a seam from raveling in double chain stitch sewing machine | Masami Yamanaka | 2000-09-19 |
| 5722338 | Method and apparatus for preventing seam from raveling in double chain stitch sewing machine | — | 1998-03-03 |